Mutant Prevention Concentrations of Imipenem and Meropenem against Pseudomonas aeruginosa and Acinetobacter baumannii

Table 4

Determination of MIC, MPC, and MSW using Imipenem.

Isolate no.	MIC		Average MIC	MPC	Average MPC	MSW	Average MSW
	μg/mL	S-I-R	(μg/mL)	(μg/mL)	(μg/mL)	(μg/mL)	(μg/mL)
Acinetobacter
A1	2	S		4		2
A2	32	R		210		178
A3	8	I		12		4
A4	128	R		800		672
A5	8	I		250		242
Pseudomonas
P1	4	S		30		26
P2	1	S		16		15
P3	0.5	S		4		3.5
P4	16	R		110		94
P5	16	R		80		64

S-I-R stands for susceptible, intermediate, and resistant, respectively.